Modernisation works at the Brittany Planetarium

Summary

The tender concerns a complete renovation of the Brittany Planetarium to accommodate new projection equipment, improve the building’s energy performance and reorganise its functional spaces, including the creation of an exhibition area. The works are divided into 14 lots: clearance and demolition; general construction; timber and metal structures; roofing and waterproofing; external joinery and metalwork; partitions and linings; suspended ceilings; internal joinery; floor coverings and tiling; painting; an accessible lift; heating, ventilation, cooling and plumbing; electrical and fire-safety systems; and external works. The planned duration for each lot is 17 months. Bidders may submit tenders for up to all 14 lots. Tenders must be submitted electronically by 2 November 2026 at 10:00 and remain valid for 180 days. Electronic invoicing is required during contract performance.